.back-btn {
    position: fixed;
    top: 0;
    left: 0;
    margin: 16px 10px;
    .btn {
      width: 70px;
      height: 30px;
      border-radius: 15px;
      background-color: rgba(153, 153, 153, .6);
      line-height: 30px;
      color: #fff;
      font-size: 12px;
      text-align: right;
      padding-right: 15px;
      position: relative;
      &:before {
        content: '';
        position: absolute;
        top: 10px;
        left: 15px;
        width: 8px;
        height: 8px;
        border-top: 2px #fff solid;
        border-right: 2px #fff solid;
        transform: rotate(-135deg);
      }
    }
}
.arrow{
    position: absolute;
    top: 50%;
    right: 0;
    width: 5px;
    height: 5px;
    margin-top: -3px;
    border-top: 1px #999 solid;
    border-right: 1px #999 solid;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
}
.btn-part{
    margin:20px 10px;
    .save-btn{
        height:40px;
        width:100%;
        background:#ec313d;
        border-radius:4px;
        line-height:40px;
        text-align:center;
        color:#fff;
    }
    .delete-btn {
        height: 40px;
        width: 100%;
        font-size: 16px;
        color: #fff;
        line-height: 40px;
        text-align: center;
        border-radius: 4px;
        border: 1px rgba(255, 255, 255, .7) solid;
      }
}
.empty {
    color: #fff;
    text-align: center;
    font-size: 16px;
    margin: 150px 0 150px;
  }
.ca {
    -webkit-box-flex: 1;
    -moz-box-flex: 1;
    display: block;
}